Table I.

Association between miR-4728 expression levels and the clinicopathologic parameters of patients with non-small cell lung cancer.

		Serum miR-4728			Tissue miR-4728
Parameter	Total (n=122)	Low (n=65)	High (n-57)	P-value	Low (n=67)	High (n=55)	P-value
Age				0.796			0.596
<60	52	27	25		30	22
≥60	70	38	32		37	33
Gender				0.257			0.154
Male	75	43	32		45	30
Female	47	22	25		22	25
Tumour size (cm)				0.043			0.042
<4	63	28	35		29	34
≥4	59	37	22		38	21
Smoking history				0.596			0.541
No	48	27	21		28	20
Yes	74	38	36		39	35
Differentiation				0.519			0.743
Well + moderate	69	35	34		37	32
Poor	53	30	23		30	23
Lymph node metastasis				0.002			0.002
Negative	72	30	42		31	41
Positive	50	35	15		36	14
TNM stage				0.001			0.001
I-II	71	29	42		30	41
III-IV	52	36	15		37	14

miR, microRNA.